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refs #687, use hash to avoid unnecessary operations

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* for bookings
* VATSIM file (plus check if cache really changed before writing)
* METARs
This commit is contained in:
Klaus Basan
2016-06-25 02:31:28 +02:00
parent 0253da8bf9
commit 0fca9c1f18
5 changed files with 73 additions and 22 deletions
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18
src/blackcore/vatsim/vatsimbookingreader.cpp
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@@ -83,22 +83,22 @@ namespace BlackCore
this->threadAssertCheck();
// Worker thread, make sure to write no members here!
// Worker thread, make sure to write no members here od do it threadsafe
if (this->isAbandoned())
{
CLogMessage(this).debug() << Q_FUNC_INFO;
CLogMessage(this).info("terminated booking parsing process"); // for users
CLogMessage(this).info("Terminated booking parsing process");
return; // stop, terminate straight away, ending thread
}
if (nwReply->error() == QNetworkReply::NoError)
{
static const QString timestampFormat("yyyy-MM-dd HH:mm:ss");
QString xmlData = nwReply->readAll();
const QString xmlData = nwReply->readAll();
nwReply->close(); // close asap
QDomDocument doc;
QDateTime updateTimestamp = QDateTime::currentDateTimeUtc();
QDomDocument doc;
QDateTime updateTimestamp = QDateTime::currentDateTimeUtc(); // default
if (doc.setContent(xmlData))
{
QDomNode timestamp = doc.elementsByTagName("timestamp").at(0);
@@ -112,6 +112,14 @@ namespace BlackCore
updateTimestamp = QDateTime::fromString(ts, timestampFormat);
updateTimestamp.setTimeSpec(Qt::UTC);
if (this->getUpdateTimestamp() == updateTimestamp) return; // nothing to do
// save parsing and all follow up actions if nothing changed
bool changed = this->didContentChange(xmlData, xmlData.indexOf("</timestamp>"));
if (!changed)
{
CLogMessage(this).info("Bookings unchanged, skipped");
return; // stop, terminate straight away, ending thread
}
}
QDomNode atc = doc.elementsByTagName("atcs").at(0);